Iter: improve findchain safety

[xonotic/xonotic-data.pk3dir.git] / qcsrc / lib / string.qh

diff --git a/qcsrc/lib/string.qh b/qcsrc/lib/string.qh
index 6f61155800d5af390011bd645b005655b61e14ae..8a984d67e4c7a54af18c69a2ddeb5028ee5119c9 100644 (file)
--- a/qcsrc/lib/string.qh
+++ b/qcsrc/lib/string.qh
@@ -1,5 +1,4 @@
-#ifndef STRING_H
-#define STRING_H
+#pragma once
 
 #include "nil.qh"
 #include "sort.qh"
@@ -130,6 +129,13 @@ string cdr(string s)
        return substring(s, o + 1, strlen(s) - (o + 1));
 }
 
+string cons(string a, string b)
+{
+       if (a == "") return b;
+       if (b == "") return a;
+       return strcat(a, " ", b);
+}
+
 string substring_range(string s, float b, float e)
 {
        return substring(s, b, e - b);
@@ -316,5 +322,3 @@ const string HEXDIGITS = "0123456789ABCDEF0123456789abcdef";
 #define HEXDIGIT_TO_DEC_RAW(d) (strstrofs(HEXDIGITS, (d), 0))
 #define HEXDIGIT_TO_DEC(d) ((HEXDIGIT_TO_DEC_RAW(d) | 0x10) - 0x10)
 #define DEC_TO_HEXDIGIT(d) (substring(HEXDIGITS, (d), 1))
-
-#endif